<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>创建数组</title>
</head>

<body>
    <script>
    var arr = ["第2条帖子","a","第2条帖子是a发帖的","2021-8-11"]
    console.log(arr);
    </script>
</body>

</html>